This is a person who uses science knowledge to design something in order to solve a problem.
What is an engineer?
An engineer designs something to solve this.
What is a problem?
Rubber is used to on certain objects because it can do this.
What is block certain objects from getting wet?
Adding a new ingredient to a mixture, will do this.
What is change the property of the mixture?
This is a property of metal that it makes a good building material.
What is strong?
This is a specific kind of material.
What is substance?
Engineers follow the steps of this in order to create something.
What is a design cycle?
Rubber is a string material and can do this.
What is last a long time?
Adding this substance to a mixture will change the mixture.
What is water?
One way to describe a property of metal is that it is this.
What is heavy?
This is information that helps explain something or answer a question.
What is evidence?
An engineer creates this for people's needs.
What are new products?
This property of rubber makes is a good material to make rain boots.
What is bendable?
A mixture is made up of this.
What is two or more ingredients?
Metal has three major properties.. It is strong. It is heavy. And it is this.
What is hard?
This is something about a material that you can see, hear, taste, smell or touch.
What is a property?
An engineer improves these for people's needs.
What are old products?
Since rubber is bendable, you can easily do this?
What is slip it on and off?
Adding food coloring to a mixture can do this?
This is NOT a property used to describe metal.
What is temperature?
This is two or more ingredients that are mixed together.
What is a mixture?
An engineer is a person who uses this to design something in order to solve a problem.
What is uses science knowledge?
These are three reasons why rubber is a good material for rain boots.
What is waterproof, strong and bendable?
The property of a mixture can change by adding these three things to it.
What is new ingredients, water and food coloring?
These are three properties of metal.
What is strong, hard and heavy?